Kerala PSC Previous Years Question Paper & Answer
Page:12
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Workshop Instructor/ Instructor Grade II/ Demonstrator/ Draftsman Grade II in Polymer Technology' And exam conducted in the year 2023. And Question paper code was '099/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
D:-Bromocresol Green
Correct Answer:- Option-B
Question59:-KOH number of latex is the number of grams of potassium hydroxide
equivalent to the radicals combined with ammonia in latex concentrate containing
g of total solids.
A:-20
B:-50
C:-80
D:-100
Correct Answer:- Option-D
Question60:-Markham still apparatus is used for the determination of
A:-Ash content
B:-Viscosity of latex
C:-VFA number
D:-Sludge content
Correct Answer:- Option-C
Question61:-Indian standard which describe the specification tests of concentrated
latex is
A:-IS 3708
B:-IS 2414
C:-IS 0
D:-IS 4588
Correct Answer:- Option-A
Question62:-During MST testing, the speed of stirrer of apparatus is maintained at
A:-14,000 rev/min.
B:-1400 rev/min.
C:-10,000 rev/min.
D:-1000 rev/min.
Correct Answer:- Option-A
Question63:-Which among the following is a thermosetting polymer?
A:-Bakelite
B:-Arylite
C:-Grilamid
D:-Vecton
Correct Answer:- Option-A
Question64:-Which process is used for the production of HDPE?
A:-High pressure process